<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true" :model="filters">
        <el-form-item>
          <el-input v-model="filters.keyword" placeholder="关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="search">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表-->
    <el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="name" label="名称" width="120" sortable>
      </el-table-column>
      <el-table-column prop="sn" label="编号" width="80" sortable>
      </el-table-column>
      <el-table-column prop="dirPath" label="上级部门层级ID" width="160" sortable>
      </el-table-column>
      <el-table-column prop="state" label="状态" width="100" sortable>
        <template scope="scope">
          <span style="color: green" v-if="scope.row.state == 0">正常</span>
          <span style="color: red" v-else-if="scope.row.state == -1">禁用</span>
          <span style="color: grey" v-else>未知</span>
        </template>
      </el-table-column>
      <el-table-column prop="manager.username" label="部门领导" width="120" sortable>
      </el-table-column>
      <el-table-column prop="parent.name" label="上级部门" sortable>
      </el-table-column>
      <!--编辑和新增的操作函数-->
      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条,绑定pageSize，currentPage，total-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next"
                     @current-change="handleCurrentChange"
                     :page-size="pageSize"
                     :current-page="currentPage"
                     :total="total"
                     style="float:right;">
      </el-pagination>
    </el-col>

    <!--编辑界面-->
    <el-dialog :title="myTitle" :visible.sync="editFormVisible" :close-on-click-modal="false">
      <el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
        <el-form-item label="姓名" prop="name">
          <el-input v-model="editForm.name" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="编号" prop="sn">
          <el-input v-model="editForm.sn" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="状态">
          <el-radio-group v-model="editForm.state">
            <el-radio class="radio" :label="0">正常</el-radio>
            <el-radio class="radio" :label="-1">禁用</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="管理员">
          <!--根据value-key="id"获取当前行数据id-->
          <el-select v-model="editForm.manager" value-key="id" placeholder="请选择">
            <el-option
                v-for="item in employees"
                :key="item.id"
                :label="item.username"
                :value="item">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.email }}</span>
            </el-option>
          </el-select>
        </el-form-item>
        <!--上级部门的层级选项框-->
        <el-form-item label="上级部门">
          <!--parent{id,name}-->
          <el-cascader v-model="editForm.parent"
                       :options="deptTree"
                       :props="{
                checkStrictly: true,
                value:'id',
                label:'name'
                }"
                       clearable></el-cascader>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="editFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
      </div>
    </el-dialog>


  </section>
</template>
<script>
import util from '../../common/js/util'
//import NProgress from 'nprogress'
import { getDepartmentListPage, removeDepartment, batchRemoveDepartment, editDepartment, addDepartment } from '../../api/api';

export default {
  data() {
    return {
      //工具条关键字查询属性
      filters: {
        //关键字
        keyword: ''
      },
      //层级选项属性
      deptTree:[],
      //获取所有的员工表的属性
      employees:[],
      //工具条分页+高级查询属性
      departments: [],
      total: 0,
      pageSize:5,
      currentPage: 1,
      listLoading: false,
      sels: [],//列表选中列
      //设置编辑框的标题属性
      myTitle: "",
      //编辑界面是否显示
      editFormVisible: false,
      editLoading: false,
      //新增和修改的表单校验
      editFormRules: {
        name: [
          { required: true, message: '请输入名称', trigger: 'blur' },
          { required: true, message: '请输入编号', trigger: 'blur' }
        ]
      },
      //编辑+新增界面数据
      editForm: {
        id: null,
        name: "",
        sn: "",
        state: 0,
        manager: null,
        parent: null,
        dirPath:""
      },
    }
  },
  methods: {
    //高级查询的方法
    search(){
      this.currentPage = 1;
      this.getDepartments();
    },
    //新增的方法
    handleCurrentChange(val) {
      this.currentPage = val;
      this.getDepartments();
    },
    /**
     * 获取列表
     */
    getDepartments() {
      let para = {
        currentPage: this.currentPage,
        pageSize: this.pageSize,
        keyword: this.filters.keyword
      };
      //开启列表忙等
      this.listLoading = true;
      //发送请求
      this.$http.post("/dept",para)
          .then(result=>{
            //关闭列表忙等
            this.listLoading = false;
            //获取返回的结果数据
            result  = result.data;
            this.departments = result.rows;
            this.total = result.total;
          })
          .catch(result=>{
            console.log(result);
            this.$message({
              message: '系统繁忙，稍后重试！',
              type: 'error'
            });
          })
    },
    /**
     * 删除一条
     * @param index
     * @param row
     */
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '温馨提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        this.$http.delete("/dept/"+row.id)
            .then(result=>{
              this.listLoading = false;
              //返回的AjaxResult
              result = result.data;
              if(!result.success){
                this.$message({
                  message: result.message,
                  type: 'error'
                });
              }
              //数据删除后定位到第一页，给currentPage重新赋值
              this.currentPage = 1;
              this.getDepartments();
            })
            .catch(result=>{
              console.log(result);
              this.$message({
                message: '系统繁忙，稍后重试！',
                type: 'error'
              });
            })
      }).catch(() => {

      });
    },
    /**
     * 显示编辑页面
     */
    handleEdit: function (index, row) {
      //调用getDeptTree获取层级框数据
      this.getDeptTree();
      this.myTitle = "编辑";
      this.editFormVisible = true;
      //克隆数据，为了数据回显是不改变原有属性的值
      this.editForm = Object.assign({}, row);
      //获取表单的dirPath
      let dirPath = this.editForm.dirPath;
      //为true则分割转为新的int数组
      if(dirPath){
        //以“/”分割
        let array = dirPath.split("/");
        //准备一个空数组用来装分割好的dirpath数组
        let parent = [];
        for(let i=1;i<array.length-1;i++){
          parent.push(parseInt(array[i]));
        }
        this.editForm.parent = parent;
      }
    },
    /**
     * 显示新增页面
     */
    handleAdd: function () {
      this.getDeptTree();
      this.myTitle = "新增";
      this.editFormVisible = true;
      //清空原有表单数据
      this.editForm = {
        id: null,
        name: "",
        sn: "",
        state: 0,
        manger: null,
        parent: null,
        dirPath:""
      };
    },

    /**
     * 编辑+新增
     */
    editSubmit: function () {
      this.$refs.editForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            //开启列表忙等，防止反复点击提交按钮
            this.editLoading = true;
            //克隆数据
            let para = Object.assign({}, this.editForm);
            console.log(para.parent);
            if(para.parent){
              para.parent = {"id":para.parent[para.parent.length -1]}
            }
            //发送请求
            this.$http.put("/dept",para)
                .then(result=>{
                  this.editLoading = false;//关闭按钮忙等
                  result = result.data;//AjaxResult
                  if(!result.success){
                    this.$message({
                      message: result.message,
                      type: 'error'
                    });
                  }else{
                    this.$message({
                      message: result.message,
                      type: 'success'
                    });
                    this.editFormVisible = false;//关闭模态框
                  }
                  //数据删除要定位到第一页
                  this.currentPage = 1;
                  this.getDepartments();
                })
                .catch(result=>{
                  this.editLoading = false;
                  this.$message({
                    message: '系统繁忙，稍后重试！',
                    type: 'error'
                  });
                })
          });
        }
      });
    },
    /**
    *
    */
    selsChange: function (sels) {
      //选中的所有行的数据
      this.sels = sels;
    },
    /**
     * 批量删除
     */
    batchRemove: function () {
      //要删除的id数组或集合
      var ids = this.sels.map(item => item.id);
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.$http.patch("/dept"+ids)
            .then(result=>{
              //返回的AjaxResult
              result = result.data;
              if(!result.success){
                this.$message({
                  message: result.message,
                  type: 'error'
                });
              }
              //数据删除后定位到第一页，给currentPage重新赋值
              this.currentPage = 1;
              this.getDepartments();
            })
            .catch(result=>{
              console.log(result);
              this.$message({
                message: '系统繁忙，稍后重试！',
                type: 'error'
              });
            })
      }).catch(() => {

      });
    },
    /*
    * 获取所有员工的函数
    */
    getEmployees(){
      this.$http.get("/emp",)
          .then(result=>{
            this.employees = result.data;
          })
    },
    /**
     * 获取所有层级数据的函数
     */
    getDeptTree(){
      this.$http.get("/dept/tree")
          .then(result=>{
            this.deptTree = result.data;//List<Department>  第一层级
          })

    }
  },
  /*钩子函数*/
  mounted() {
    //页面加载完成查询所有部门数据
    this.getDepartments();
    //页面加载完成查询所有员工
    this.getEmployees();
  }
}
</script>
<style scoped>

</style>